27125463489 has 16 divisors (see below), whose sum is σ = 36363325440. Its totient is φ = 17985738960.

The previous prime is 27125463473. The next prime is 27125463493. The reversal of 27125463489 is 98436452172.

It is not a de Polignac number, because 27125463489 - 2⁴ = 27125463473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27125063489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973104 + ... + 1000590.

It is an arithmetic number, because the mean of its divisors is an integer number (2272707840).

Almost surely, 2^27125463489 is an apocalyptic number.

It is an amenable number.

27125463489 is a deficient number, since it is larger than the sum of its proper divisors (9237861951).

27125463489 is a wasteful number, since it uses less digits than its factorization.

27125463489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29260.

The product of its digits is 2903040, while the sum is 51.

The spelling of 27125463489 in words is "twenty-seven billion, one hundred twenty-five million, four hundred sixty-three thousand, four hundred eighty-nine".